Comparable stake leader
John Roland Clem
SEC ownership of STAMPS.COM INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001082923.
Disclosed value leader
—
Comparable rows
0/1
Latest evidence
05 Oct 2021
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
John Roland Clem
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
05 Oct 2021
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001082923
- Issuer location
- El Segundo, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of STAMPS.COM INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
John Roland Clem
Disclosed value leader
—
Comparable rows
0/1
Latest evidence
05 Oct 2021
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
1 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 1 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens John Roland Clem's linked filing trail.
Detailed SEC evidence table Showing 1-1 of 1 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| John Roland Clem |
3/4/5
Chief Product & Strategy Offic
|
—
class O/S missing
|
—
35,369 shares
|
— | 05 Oct 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 03 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to STAMPS.COM INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Matthew A. Lipson
Net 12M change
$0
Latest report
05 Oct 2021
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Matthew A. Lipson | Chief Legal Officer/ Secretary, Director | Mixed | 05 Oct 2021 | |||
| James Nathan Jones | CEO of subsidiary ShipStation | Mixed | 05 Oct 2021 | |||
| Jeffrey Carberry | Chief Financial Officer, Director | Mixed | 05 Oct 2021 | |||
| G. Bradford Jones | Director | Mixed | 05 Oct 2021 | |||
| Katie May | Director | Mixed | 05 Oct 2021 | |||
| Kenneth T. McBride | Chairman & CEO, Director | Mixed | 05 Oct 2021 | |||
| Theodore R. Samuels II | Director | Mixed | 05 Oct 2021 | |||
| David C. Habiger | Director | Mixed | 05 Oct 2021 | |||
| Amine Khechfe | Chief Strategy Officer | Mixed | 05 Oct 2021 | |||
| Jonathan Bourgoine | Chief Technology Officer | Mixed | 05 Oct 2021 | |||
| Sebastian Buerba | Chief Marketing Officer | Mixed | 05 Oct 2021 | |||
| Steve Rifai | Chief Sales Officer | Mixed | 05 Oct 2021 | |||
| John Roland Clem | Chief Product & Strategy Offic | Mixed | 05 Oct 2021 | |||
| Mohan P. Ananda | Director | Mixed | 05 Oct 2021 |
Recent insider transactions for STAMPS.COM INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.